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Spanish Onions

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Onion and tomato are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 20,633 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Spanish Onions

Ingredients

Directions

  1. Peel the onions and remove the cores using a long vegetable cutter.

  2. Boil the onions in water for 10 minutes, then drain on a cloth.

  3. Spread butter over the bottom of a sauté pan.

  4. Place the onions in the pan and pour in enough gravy to cover them.

  5. Boil on low heat, turning occasionally, until nearly done.

  6. Add 2 teaspoons of pounded sugar and boil quickly until glazed.

  7. Stir in a little tomato sauce and arrange the onions closely in a dish.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Onion + tomatotop 8% of all pairs
    Smell alikemoderate
    Cooked together20,633 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  2. Sugar + saucetop 13% of all pairs
    Smell alikestrong
    Cooked together5,147 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Butter + saucetop 15% of all pairs
    Smell alikelow
    Cooked together15,338 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Tomato + saucetop 15% of all pairs
    Smell alikelow
    Cooked together5,469 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Butter and sauce barely smell alike, yet cooks put them together in 15,338 recipes: they work on texture and structure more than aroma.

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

Swap the onion

How well each one fits the dish's main ingredients (butter, sugar, tomato, sauce):

  1. Capsicumfits better
  2. Mustardfits better
  3. Potatofits better
  4. Onionthe original

Fit is the average pairing score against butter, sugar, tomato, sauce. Candidates are from the same food group and used in at least 100 recipes.

More spanish onions recipes

Baked 9Stuffed 7Stewed 4Fried 3

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